20161257208

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{1553}}^1\times {\mathrm{16067}}^1$

素因数の和:17727

約数の個数: 32

約数和(自身を含む): 38203598160

約数和(自身を除く): 18042340952

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 1553, 3106, 6212, 12424, 16067, 32134, 64268, 128536, 156853, 313706, 627412, 1254824, 1622767, 3245534, 6491068, 12982136, 24952051, 49904102, 99808204, 199616408, 2520157151, 5040314302, 10080628604, 20161257208]

約数ペア:

[(1, 20161257208), (2, 10080628604), (4, 5040314302), (8, 2520157151), (101, 199616408), (202, 99808204), (404, 49904102), (808, 24952051), (1553, 12982136), (3106, 6491068), (6212, 3245534), (12424, 1622767), (16067, 1254824), (32134, 627412), (64268, 313706), (128536, 156853)]